Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 813
Message text: PARTYP instance is adjusted ID: &1 ATTR: &2 value = &3
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The SAP error message CNV_PE813 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the data being processed, specifically related to a "PARTYP" instance, which usually refers to a party or business partner entity in the system.
Cause: The error message CNV_PE813 indicates that there is an inconsistency or an invalid value for a specific attribute of a party instance. The placeholders in the message (&1, &2, &3) represent: &1: The ID of the party instance. &2: The attribute that is causing the issue. &3: The value that is being rejected or is invalid. Common causes for this error include: Data Integrity Issues: The data being migrated may not meet the required format or constraints defined in the target system. Missing or Incorrect Mapping: The mapping of fields from the source to the target system may be incorrect or
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